Arnold Schwarzenegger turned 68 years old on Thursday, and was spotted celebrating with his ex-wife, Maria Shriver, in Beverly Hills, California.

The amicable pair had lunch at the Montage Hotel with their two daughters, 25-year-old Katherine and 23-year-old Christina.

WATCH: Arnold Schwarzenegger Calls Couples Therapy With Maria Shriver the 'Biggest Mistake' He's Ever Made Maria filed for divorce from Arnold in July 2011, though their divorce has never been finalized.

The two split after it was revealed he fathered a son more than 14 years earlier with an employee in their household, Mildred Baena.

In an interview with Howard Stern on his Sirius XM show last month, the star called his and Maria's split "without a doubt the biggest setback and the biggest failure" in his life. "Not only failure, but you really feel like, 'I'm to blame for it.After splitting with ex-husband Arnold Schwarzenegger in 2011 when it was revealed he fathered a love child with their long-time housekeeper, Maria Shriver has moved on with political constant Matthew Dowd — a man whose past is riddled with heartbreak, Radar is exclusively reporting.Shriver, 58, has quietly been dating Dowd, 53, for quite a while now but things could get sticky between the two given baggage that includes two divorces, four children and the loss of one in the ABC News analyst’s life.She appeared as herself in the film Last Action Hero (1993).show and she opened up about her love life during a roundtable discussion about the importance of lunch breaks with hosts Savannah Guthrie, Hoda Kotb, Matt Lauer, Al Roker, and Carson Daly. ” But it was too late because the rest of the co-hosts joined in.She is a member of the Kennedy family (her mother, Eunice Kennedy Shriver, was a sister of John F. of German descent through her father and Irish descent through her mother, with smaller amounts of English, Scottish, French Huguenot, and Dutch ancestry, she is the second child and only daughter of the politician Sargent Shriver and Eunice Kennedy Shriver. Following her husband's November 17, 2003, inauguration as the 38th Governor of California, she became the First Lady of California.